他们认为大气中的臭氧会使蜜蜂和其他传粉者无法闻到花的味道。
They think ozone in the air is keeping bees and other pollinators from smellingtheflowers.
一项研究表明，以牙科麻醉剂“笑气”之名著称的氧化亚氮，已取代氟氯烃，成为上层大气中的臭氧最强有力的破坏物。
Nitrous oxide, better known as the dental anaesthetic "laughing gas", has replaced CFCs as the most potent destroyer of ozone in the upper atmosphere, a study has shown.
因为早期的地球大气中缺乏氧气，所以也缺乏起保护作用的臭氧层屏障。
Because early Earth lacked oxygen in its atmosphere, it also lacked a protective ozone barrier.
一氧化二氮在地平面时是稳定的，但在高层大气中则分解而形成某种化合物，从而引发化学反应而破坏臭氧层。
Nitrous oxide is stable at ground level but breaks down in the upper atmosphere to form compounds that trigger chemical reactions that destroy ozone.
人们已经看到了从月球反射给我们的地球辐射，可以实际上观察到大气层中的氧、甲烷和臭氧。
People have looked at Earth's radiation reflected back to us from the moon, and you can actually observe the oxygen and methane and ozone in our atmosphere.
其一是黑碳，另一样是臭氧，后者对阻止平流层的紫外线起着至关重要的作用，但对大气中的植物和人类有害。
One is black carbon and the other is ozone, which is vital for blocking ultraviolet rays in the stratosphere but hazardous in the bits of the atmosphere where plants live and people have to breathe.
如果没有20年前作出的那些决定，那么至2050年，大气中臭氧消耗物质的浓度会增加到原来的10倍。
Without the decisions taken 20 years ago, atmospheric levels of ozone-depleting substances would have increased tenfold by 2050.
这些奇观只有在宇宙中才能观察到，因为地球大气层中的臭氧和水会吸收这些波长。
These wonders can be observed only from space, because ozone and water in the Earth’s atmosphere absorb light at those wavelengths.
虽然在地球大气层中的浓度甚微，一氧化二氮是一种很强的温室气体，而且正成为破坏平流层臭氧的主因。
Although present in minute concentrations in Earth's atmosphere, nitrous oxide is a highly potent greenhouse gas and is becoming a keyfactor in stratospheric ozone destruction.
科学家们用“空洞”一词表示臭氧浓度低于220个多布森单位（多布森单位是用来度量大气中臭氧柱尺度的单位。
Scientists use "hole" as a metaphor for the area in which ozone concentrations drop below the historical threshold of 220 Dobson Units.
在大气层中，一氧化二氮的浓度很低，但目前科学家认为，气候暖化有6%的原因是来自一氧化二氮，而它也是破坏平流层臭氧的祸首之一。
Nitrous oxide exists at low levels in the atmosphere, yet is thought to be responsible for 6 percent of climate warming and also contributes to stratospheric ozone destruction.
大气平流层中存在有大量的臭氧，它们若是在地球表面则会造成空气污染，空气中的臭氧会严重破坏人的肺部。
The stratosphere holds an natural amount of ozone, but by Earth's surface this becomes air pollution.
Crutzen由于揭示了人造化学物质吞噬大气层中的臭氧保护层而分享了诺贝尔化学奖，他说这一“人类时期”是长是短尚不得而知。
Whether this "age of man" will be short or long is unknown, says Crutzen, who shared his Nobel for unmasking the man-made chemicals eating away at the atmosphere's protective ozone layer.
最常见的皮肤癌发生于表皮(皮肤外层)，因大气中臭氧层变薄而发生频率越来越高。
The most common types arise in the epidermis (outer skin layer) and have become more frequent with the thinning of the atmosphere's ozone layer.
大气中臭氧层保护地球免受太阳的有害辐射。
Ozone in the atmosphere protects the earth from harmful radiation from the sun.
大气层中的臭氧保护我们免受阳光的辐射，而地面的臭氧是一种污染物。
While the atmosphere's ozone protects us from the sun's rays, ground-level ozone is a pollutant.
臭氧流失的原因，科学家说是因为冷空气长时间持续盘旋在北极地区的上层大气中。
The reason for the loss, say scientists is that cold weather persisted for a long time in the Arctic region's upper atmosphere.
通过对比模拟发现：对流层中臭氧的增加基本使大气顶晴空辐射强迫为正；
Based on the analysis, the increasing of ozone in troposphere can lead to almost positive clear sky radiative forcing at top of atmosphere.
在影响生物演化的诸因素中，大气臭氧层是一个重要因素。
The air ozonosphere is one of the important factors affecting the evolution of organisms.
我们应该尽力阻止大气层中臭氧的耗尽。
We should do our best to stop ozone depletion in the atmosphere.
这些奇观只有在宇宙中才能观察到，因为地球大气层中的臭氧和水会吸收这些波长。
These wonders can be observed only from space, because ozone and water in the Earth's atmosphere absorb light at those wavelengths.
氧化亚氮(N2O)是大气中的一种痕量气体，也是一种重要的温室效应气体，还可使臭氧层遭到破坏。
Nitrous oxide (N2O) is a trace gas in the atmosphere, which contributes both to the greenhouse effect and to the destruction of stratospheric ozone.
一些天体生物学家认为的氧，碳，和臭氧在大气中的存在表明该星球表面有生命存在。
Some astrobiologists assume that the presence of oxygen, carbon, and ozone in an atmosphere indicates that life exists on a planet's surface.
挥发性卤代烃是大气中的痕量气体，对臭氧层损耗和温室效应有重要作用。
Volatile halocarbons are important atmospheric trace gases, which play significant roles in stratospheric ozone depletion and in the greenhouse effect.
由于一些使用中的制冷剂对大气臭氧层的消耗和增加温室效应，与人们日常生活密切相关的制冷行业正面临着严峻的挑战。
Refrigerating industry, which is closely related to our daily life, is facing severe challenge because some refrigerating fluids used consume Ozone layer and increase green-house effect.
在对流层大气中，适量臭氧对清洁大气是有益的。
In the natural air of the troposphere a suitable amount of ozone is beneficial to clean air.
在对流层大气中，适量臭氧对清洁大气是有益的。
In the natural air of the troposphere a suitable amount of ozone is beneficial to clean air.
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